What to do during your free time in Paris?
Here are some suggestions:
Musée du Louvre This enormous building, constructed around 1200 as a fortress and rebuilt in the mid-16th century for use as a royal palace, began its career as a public museum in 1793. See the Mona Lisa, Venus de Milo and Winged Victory. (Palais Royal - Musée du Louvre)
Eiffel Tower Climb this towering edifice that was built for the World Fair of 1889, held to commemorate the centennial of the French Revolution. Named after its designer, Gustave Eiffel, it stands 1050ft high and held the record as the world’s tallest structure until 1930. (Bir Hakeim)
Avenue des Champs-Elysées A popular promenade; this Avenue has long symbolized the style and joie de vivre of Paris. An ideal place for evening walks & shopping. (Charles de Gaulles Etoile)
  Some of Paris’ most famous Cafés Café de la Paix, designed by Garnier, the décor recalls a past era; Café de Flore can claim to have been the heart of the Existentialist Movement during the early part of this century with Sartre, Simone de Beauvoir, Camus and others regularly meeting here. (St-Germain-des-Prés)
Musée Picasso Works of Picasso, received by the State after the death of the artist and the artist’s personal collection. (Saint-Paul)
Shopping Les Galeries Lafayette, La Printemps; Or: Stepping into the ‘passages couverts’ (covered shopping arcades) or galleries of the Right Bank is probably the simplest way to get a feel for the Paris of the early 19th century. (Opera)